001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.backup.impl;
019
020import java.util.ArrayList;
021import java.util.List;
022import org.apache.commons.lang3.StringUtils;
023import org.apache.hadoop.hbase.HBaseIOException;
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
026import org.apache.yetus.audience.InterfaceAudience;
027
028@InterfaceAudience.Public
029public final class ColumnFamilyMismatchException extends HBaseIOException {
030  private final List<TableName> mismatchedTables;
031
032  private ColumnFamilyMismatchException(String msg, List<TableName> mismatchedTables) {
033    super(msg);
034    this.mismatchedTables = mismatchedTables;
035  }
036
037  public static final class ColumnFamilyMismatchExceptionBuilder {
038    private final List<TableName> mismatchedTables = new ArrayList<>();
039    private final StringBuilder msg = new StringBuilder();
040
041    public ColumnFamilyMismatchExceptionBuilder addMismatchedTable(TableName tableName,
042      ColumnFamilyDescriptor[] currentCfs, ColumnFamilyDescriptor[] backupCfs) {
043      this.mismatchedTables.add(tableName);
044
045      String currentCfsParsed = StringUtils.join(currentCfs, ',');
046      String backupCfsParsed = StringUtils.join(backupCfs, ',');
047      msg.append("\nMismatch in column family descriptor for table: ").append(tableName)
048        .append("\n");
049      msg.append("Current families: ").append(currentCfsParsed).append("\n");
050      msg.append("Backup families: ").append(backupCfsParsed);
051
052      return this;
053    }
054
055    public ColumnFamilyMismatchException build() {
056      return new ColumnFamilyMismatchException(msg.toString(), mismatchedTables);
057    }
058  }
059
060  public List<TableName> getMismatchedTables() {
061    return mismatchedTables;
062  }
063
064  public static ColumnFamilyMismatchExceptionBuilder newBuilder() {
065    return new ColumnFamilyMismatchExceptionBuilder();
066  }
067}